* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    background: #2c2c2c;
    color: #e0e0e0;
    min-height: 100vh;
    padding: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #1a1a1a;
    border: 1px solid #444;
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.header {
    background: #252525;
    border-bottom: 1px solid #444;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 28px;
    margin-bottom: 8px;
    color: #fff;
    font-weight: normal;
    letter-spacing: 1px;
}

.header p {
    color: #aaa;
    font-size: 14px;
    margin-bottom: 12px;
}

.domain-badge {
    display: inline-block;
    background: #333;
    border: 1px solid #555;
    padding: 6px 16px;
    color: #fff;
    font-size: 13px;
    font-weight: normal;
}

.content {
    padding: 30px;
}

.form-section {
    background: #222;
    border: 1px solid #444;
    padding: 25px;
    margin-bottom: 25px;
}

.form-section h2 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: normal;
    border-bottom: 1px solid #444;
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 6px;
    color: #ddd;
    font-size: 13px;
    font-weight: normal;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.domain-suffix {
    color: #999;
    padding: 8px 12px;
    background: #2a2a2a;
    border: 1px solid #444;
    font-size: 13px;
    white-space: nowrap;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"] {
    flex: 1;
    padding: 10px;
    background: #2a2a2a;
    border: 1px solid #444;
    color: #fff;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 14px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: #666;
    background: #2f2f2f;
}

.btn {
    padding: 10px 24px;
    border: 1px solid #555;
    background: #333;
    color: #fff;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 14px;
    font-weight: normal;
    cursor: pointer;
    transition: background 0.2s;
}

.btn:hover {
    background: #444;
    border-color: #666;
}

.btn-primary {
    background: #4a4a4a;
    border-color: #666;
}

.btn-primary:hover {
    background: #5a5a5a;
}

.btn-danger {
    background: #5a2a2a;
    border-color: #744;
    color: #fff;
}

.btn-danger:hover {
    background: #6a3a3a;
}

.users-list {
    margin-top: 25px;
}

.users-list h2 {
    color: #fff;
    font-size: 20px;
    margin-bottom: 18px;
    font-weight: normal;
    border-bottom: 1px solid #444;
    padding-bottom: 10px;
}

.user-card {
    background: #222;
    border: 1px solid #444;
    padding: 18px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-card:hover {
    border-color: #555;
    background: #252525;
}

.user-info {
    flex: 1;
}

.user-email {
    font-size: 15px;
    color: #fff;
    margin-bottom: 6px;
    font-weight: normal;
}

.user-details {
    color: #999;
    font-size: 12px;
    margin-top: 4px;
}

.user-status {
    display: inline-block;
    padding: 3px 10px;
    border: 1px solid #555;
    font-size: 11px;
    color: #aaa;
    background: #2a2a2a;
}

.status-active {
    color: #9c9;
    border-color: #595;
}

.user-actions {
    display: flex;
    gap: 8px;
}

.alert {
    padding: 12px;
    border: 1px solid;
    margin-bottom: 18px;
    font-size: 13px;
}

.alert-success {
    background: #2a3a2a;
    color: #9c9;
    border-color: #595;
}

.alert-error {
    background: #3a2a2a;
    color: #c99;
    border-color: #955;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #888;
    border: 1px dashed #444;
    background: #222;
}

.empty-state p {
    font-size: 13px;
}

a.btn, a:link.btn, a:visited.btn {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid #555;
    background: #333;
    color: #fff;
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 14px;
    font-weight: normal;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
}

a.btn:hover, a:active.btn {
    background: #444;
    border-color: #666;
}

a.btn-primary {
    background: #4a4a4a;
    border-color: #666;
}

a.btn-primary:hover {
    background: #5a5a5a;
}